`(1-1/n)+(1-2/n)+(1-3/n) + . . . . . . . . ` up to n terms = ?

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Q 1460545415.     `(1-1/n)+(1-2/n)+(1-3/n) + . . . . . . . . ` up to n terms = ?
A

` (n-1)`

B

`1/2 (n-1)`

C

`1/2 `

D

`1/2 (n+1)`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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